Issued by Swisscom Rubin CA 1

About this certificate

This digital certificate with serial number 28:e5:7c:c8:ed:bf:68:39:64:1f:30:fd:2d:06:9e:6b was issued on by Swisscom .

This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.

Cerificate errors/warnings *beta

  • ERROR: Certificate contains a key usage different from ClientAuth or EmailProtection
  • ERROR: Certificate contains a CRL with an non-preferred scheme ([ldap])

Swisscom (Schweiz) AG

Organization: Swisscom (Schweiz) AG
Organization unit: curabill
State / Province: Zuerich
Locality: Zuerich
Country: CH


Organization: Swisscom
Organization unit: Digital Certificate Services
State / Province: Zuerich
Locality: Zuerich
Country: CH

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 28:e5:7c:c8:ed:bf:68:39:64:1f:30:fd:2d:06:9e:6b
Serial Number (int): 54360686750003810447084199335254466155
Serial Number lenght: 126 bits, 16 octets

SubjectKeyId: 5a:e9:89:19:42:d6:ab:c2:1b:5d:f9:fa:0b:e4:e6:c0:c2:60:ab:3f
AuthorityKeyId: 2d:c2:a7:a3:63:3e:3f:83:47:ab:48:33:36:81:85:f7:d4:e9:ac:c0

Fingerprint (sha1): cc:1e:a7:52:c6:da:fc:c2:aa:f0:67:a5:b7:fc:6a:39:eb:08:82:a4
Fingerprint (sha256): df:8a:eb:6a:53:6e:26:47:39:fd:ee:ce:d2:23:7d:63:f9:d5:9e:8d:99:28:ec:6c:12:e9:dc:bc:a5:f5:d9:96

Issuing Certificate URL:

Revocation information

OCSP Server:
CRL Distribution Point:
CRL Distribution Point: ldap://,dc=rubin,dc=swissdigicert,dc=ch?certificateRevocationList?

Check the revocation status for the current certificate on
DNS Names
Email Addresses
IP Addresses

Advanced Certificate Properties

Technical details about this certificate

Public Key Algorithm


Key Size


Signature Algorithm

SHA1 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication


8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names